Doctors Academy - Breast COPY Flashcards
What is the blood supply to the breast?
Anterior intercostal branches from the internal thoracic artery
thoracoacromia branches
lateral thoracic artery
lateral mammary arterys
what are the risk factors for breast cancer
Early menache
late menopause
not breast feeding
atypical breast hyperplasia
What does triple assessment compose of?
Clinical examination
Radiological imaging
core biopsy
At what age people entered in to the national breast screening program
between 47/53 - 70/73
How do you screen patients who are below the age of 40?
do an USS
If patients of any age present with a lump, what radiological investigations do you do?
mammogram and USS
What 3 factors does the Nottingham prognostic indicator involve? and how is the score calculated?
- Size = 0.2 x size in cm
- Number of nodes
- 0 = 1 point
- 1-3 = 2 points
- >3 = 3 points
- Grade
- Grade 1 = 1 point
- Grade 2 = 2 points
- Grade 3 = 3 points
you add these all together for a score.
what is a poor NPI number?
> 5.4
What non surgical treatment can be given to a patient with breast cancer who is ER positive
give tamoxifen for 10 years and then anastrozole
what non surgical treatment can be given to a patient with breast canacer who is HER 2 positive
Neoadjuvant Chemotherapy
what are the risks of giving tamoxifen?
- increased risk of blood clots
- increased risk of endometrial cancer
- need to monitor LFTs every 6 months
What genes are associated with breast cancer
- BRACA
- PALB2
- TP53
- CHD1
by what percentage does a mastectomy reduce the risk of breast cancer in a pateint with the BRACA gene?
reduces risk by 90%
what are some of the features of phlodes tumour?
- rapidly growing mass
- leaflike architecture
- intra-canalicular growth pattern
- cleft like spaces
- hypercellular stroma
- haematogenous spread
When breast cancer metastasises to bone, which bones does it commonly affect?
The axial skeleton